2002 JEEP Wrangler

Jeep Wrangler Sahara 2002 - BUZZERS, RELAYS & TIMERS

Jeep Wrangler Sahara 2002 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C Compressor Clutch Relay	In power distribution center.
Anti-Lock Brake System Relay	In power distribution center.
Automatic Shut Down Relay	In power distribution center.
Blower Motor Relay	In wire harness connector, near right end of heater-A/C housing.
Combination Flasher	Under upper steering column shroud.
Engine Starter Motor Relay	In power distribution center.
Fog Lamp Relay	In power distribution center.
Fuel Pump Relay	In power distribution center.
Horn Relay	In power distribution center.
Oxygen Sensor Downstream Heater Relay	In power distribution center.
Radio Choke & Relay	Behind lower center of dash.
Rear Window Defogger Relay	In power distribution center.

Jeep Wrangler Sahara 2002 - CIRCUIT PROTECTION DEVICES

Jeep Wrangler Sahara 2002 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Circuit Breaker	In rear of engine compartment, near firewall.
Fuse Block	Under right center of dash.
Power Distribution Center	On right side of engine compartment, on inner fender panel. See Fig. 4 .

Jeep Wrangler Sahara 2002 - CONTROL UNITS

Jeep Wrangler Sahara 2002 CONTROL UNITS LOCATION

Component	Location
Air Bag Control Module	Front of floor pan tunnel.
Controller Anti-Lock Brake	At left rear corner of engine compartment. See Fig. 4 .
Daytime Running Lamp (DRL) Module	In rear of engine compartment, on firewall. See Fig. 3 .
Fuel Pump Module	On fuel tank.
Powertrain Control Module	In right rear of engine compartment, on firewall. See Fig. 4 .
Sentry Key Immobilizer Module (SKIM)	On steering column, near ignition lock cylinder.

Jeep Wrangler Sahara 2002 - MOTORS

Jeep Wrangler Sahara 2002 MOTORS LOCATION

Component	Location
Blend Door Actuator	On heater-A/C housing.
Blower Motor	On right rear of engine compartment. See Fig. 4 .
Front Washer Pump	Under washer fluid reservoir. See Fig. 5 .
Front Wiper Motor	Left center of firewall.
Fuel Pump Module	On fuel tank.
Idle Air Control Motor (2.5L)	On side of throttle body assembly. See Fig. 1 .
Idle Air Control Motor (4.0L)	On side of throttle body assembly. See Fig. 2 .
Leak Detection Pump	In left side of engine compartment, near EVAP canister.
Rear Washer Pump	Under washer fluid reservoir. See Fig. 5 .
Rear Wiper Motor	Inside of liftglass.

Jeep Wrangler Sahara 2002 - SENDING UNITS & SENSORS

Jeep Wrangler Sahara 2002 SENDING UNITS & SENSORS LOCATION

Component	Location
ABS Wheel Speed Sensor (4)	At each respective wheel assembly.
Battery Temperature Sensor	On bottom of battery tray. See Fig. 4 .
Camshaft Position Sensor (2.5L)	Inside ignition distributor assembly.
Camshaft Position Sensor (4.0L)	On right side of engine, near oil filter.
Crankshaft Position Sensor	On transmission bellhousing, at left rear side of engine block. See Fig. 6 .
Engine Coolant Temperature Sensor (2.5L)	On thermostat housing. See Fig. 1 .
Engine Coolant Temperature Sensor (4.0L)	On thermostat housing. See Fig. 2 .
Engine Oil Pressure Sensor	Right side of engine block.
Heated Oxygen Sensor (HO2S) (Downstream) (California) (2) (4.0L)	On outlet end of mini-catalytic converter. See Fig. 2 .
Heated Oxygen Sensor (HO2S) (Downstream) (Federal) (2.5L)	On rear of catalytic converter.
Heated Oxygen Sensor (HO2S) (Downstream) (Federal) (4.0L)	On rear of catalytic converter.
Heated Oxygen Sensor (HO2S) (Upstream) (2.5L)	On exhaust downpipe. See Fig. 1 .
Heated Oxygen Sensor (HO2S) (Upstream) (California) (2) (4.0L)	On exhaust manifold.
Heated Oxygen Sensor (HO2S) (Upstream) (Federal) (4.0L)	On exhaust downpipe.
Intake Air Temperature (IAT) Sensor (2.5L)	On intake manifold plenum, near throttle body. See Fig. 1 .
Intake Air Temperature (IAT) Sensor (4.0L)	On intake manifold plenum, near throttle body. See Fig. 2 .
Manifold Absolute Pressure (MAP) Sensor (2.5L)	On side of throttle body assembly. See Fig. 1 .
Manifold Absolute Pressure (MAP) Sensor (4.0L)	On side of throttle body assembly. See Fig. 2 .
Throttle Position (TP) Sensor (2.5L)	On throttle body assembly. See Fig. 1 .
Throttle Position (TP) Sensor (4.0L)	On throttle body assembly. See Fig. 2 .
Vehicle Speed Sensor (VSS)	On extension housing of transfer case. See Fig. 7 .

Jeep Wrangler Sahara 2002 - SOLENOIDS & SOLENOID VALVES

Jeep Wrangler Sahara 2002 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
Brake Transmission Shift Interlock Solenoid	Left side of steering column.
EVAP/Purge Solenoid	On left fender side shield.
Speed Control Servo	On left side of engine compartment.
Torque Converter Clutch Solenoid	On transmission valve body.

Jeep Wrangler Sahara 2002 - SWITCHES

Jeep Wrangler Sahara 2002 SWITCHES LOCATION

Component	Location
A/C High Pressure Switch (2.5L)	On A/C compressor discharge line.
A/C High Pressure Switch (4.0L)	On A/C compressor discharge line. See Fig. 2 .
A/C Low Pressure Switch	On A/C accumulator.
Back-Up Lamp Switch (M/T)	On left side of transmission.
Brake Lamp Switch	On bracket, above brake pedal.
Brake Warning Indicator Switch	In combination valve. See Fig. 4 .
Clutch Pedal Position Switch	Top of clutch pedal bracket.
G-Switch	In front of console/shifter, mounted to bracket on floor pan.
Park Brake Switch	On park brake mechanism.
Park/Neutral Position Switch	On left side of transmission.
Power Steering Pressure Switch (2.5L)	Behind power steering pump. See Fig. 1 .
Seat Belt Switch	In driver's seat belt buckle.
Stoplight Switch	Top of brake pedal bracket.
Transfer Case Switch	On transfer case. See Fig. 7 .

Jeep Wrangler Sahara 2002 - MISCELLANEOUS

Jeep Wrangler Sahara 2002 MISCELLANEOUS LOCATION

Component	Location
Blower Motor Resistor Block	Under right side of dash, on HVAC module.
Data Link Connector (DLC)	Bottom left end of dash.
Radio Choke & Relay	Behind lower center of dash.

Jeep Wrangler Sahara 2002 - CONNECTORS

Jeep Wrangler Sahara 2002 CONNECTORS LOCATION

Component	Location
C103 (Black, 14 Pin)	At rear of engine compartment. See Fig. 4 .
C104 (Gray, 14 Pin)	At rear of engine compartment. See Fig. 4 .
C106 (Black, 12 Pin)	At left kick panel.
C107 (Yellow, 14 Pin)	At left kick panel.
C108 (Blue, 14 Pin)	At left kick panel.
C110 (Black, 14 Pin)	At left front fender side shield. See Fig. 4 .
C154 (Black, 4 Pin)	On top right rear of transmission.
C170 (Light Gray/Black, 10 Pin)	At left kick panel.
C180 (Black, 2 Pin)	Below evap/purge solenoid.
C202 (Gray, 12 Pin)	At left kick panel.
C203 (Green, 14 Pin)	At left kick panel.
C204 (Red, 14 Pin)	At left kick panel.
C205 (Light Green, 10 Pin)	At left kick panel.
C322 (Black, 10 Pin)	At left kick panel.
C323 (Red, 10 Pin)	At left kick panel.
C325 (4 Speaker) (White, 6 Pin)	At left side of sound bar.
C326 (Hard Top) (Black, 10 Pin)	At left rear quarter panel.
C330 (4 Speaker) (Black/White, 6 Pin)	At left side of sound bar.
C331 (Hard Top) (Black, 10 Pin)	At left rear quarter panel.

Jeep Wrangler Sahara 2002 - GROUNDS

Jeep Wrangler Sahara 2002 GROUNDS LOCATION

Component	Location
G100	On left center of firewall. See Fig. 4 .
G101	On center of firewall. See Fig. 4 .
G102	On left side of radiator closure panel.
G103	On right side of radiator closure panel.
G104	Near rear of generator.
G105	On right rear of engine block.
G106	On right rear of engine block.
G107	On right rear of engine block.
G200	Behind left end of dash.
G201	Behind left end of dash.
G202	Behind right end of dash.
G203	Behind right end of dash.
G300	At left kick panel.
G301	Between front seats.
G302	At left kick panel.
G303	Near steering column mounting bracket.

Jeep Wrangler Sahara 2002 - SPLICES

Jeep Wrangler Sahara 2002 SPLICES LOCATION

Component	Location
S101	Near breakout to power distribution center. See Fig. 4 .
S102	At left side of firewall, near breakout to G100. See Fig. 4 .
S103	At right center of firewall, near breakout to G101. See Fig. 4 .
S105	Near breakout to daytime running lights module.
S106	On left side of firewall. See Fig. 4 .
S108	Near breakout to power distribution center. See Fig. 4 .
S111	Near breakout to battery temperature sensor. See Fig. 4 .
S113	Near breakout to G100, on left center of firewall. See Fig. 4 .
S115	Near breakout to evap/purge solenoid.
S116	Near breakout to high note horn.
S117	Near breakout to high note horn.
S118	Near breakout to left headlight.
S121	Near breakout to powertrain control module.
S122	Near grommet for left park/turn signal light.
S123	At rear of engine, near breakout to G105.
S124	At rear of engine, near breakout to G105.
S126	On rear of cylinder head, near breakout to C103.
S127 (2.5L)	Near breakout to idle air control motor. See Fig. 1 .
S127 (4.0L)	Near breakout to idle air control motor. See Fig. 2 .
S128 (2.5L)	Between breakouts to fuel injector No. 2 & No. 3. See Fig. 1 .
S128 (4.0L)	Between breakouts to fuel injector No. 2 & No. 3. See Fig. 2 .
S129	On rear of engine, near breakout to C104.
S130	On rear of engine, near breakout to C104.
S132	On right side of transmission, near breakout to C154.
S133	On right side of transmission, near breakout to C154.
S134	On right side of transmission, near breakout to C154.
S135 (2.5L)	At rear of transmission.
S135 (4.0L)	At rear of engine, near breakout to C104.
S136	In battery harness, near power distribution center.
S137 (2.5L)	Near breakout to throttle position sensor.
S137 (4.0L)	Near breakout to throttle position sensor. See Fig. 2 .
S138	At center of radiator closure panel.
S140	Near breakout to C104.
S141	Near breakout to left front park/turn signal light.
S142	Near breakout to right park/turn signal light.
S143	Near breakout to left park/turn signal light.
S144	Near breakout to right park/turn signal light.
S147	Near breakout to underhood light, on center of firewall. See Fig. 4 .
S150	Near breakout to right headlight.
S151	Near breakout to left headlight.
S152	Near breakout to left headlight.
S153	Near breakout to camshaft position sensor.
S155	Near breakout to daytime running lights control module. See Fig. 4 .
S156	Near breakout to ABS pump motor. See Fig. 4 .
S202	Behind lower center of dash.
S204	Behind lower center of dash.
S206	Behind lower center of dash.
S207	Behind center of dash, near breakout to cigar lighter.
S208	Near breakout to blower motor.
S209	Behind left side of dash, near breakout to C202, C203, & C204.
S301	Behind left side of dash, above steering column.
S304	Behind left side of dash, above steering column.
S309	At front of left door opening.
S310	At left rear quarter panel, near body grommet.
S311	Near left taillight connector.
S313	At front of left rear wheelwell.
S314	At front of left rear wheelwell.
S315	At rear of right rear wheelwell.
S316	In breakout to rear foglight.
S317	Near breakout to left license plate light.
S320	Behind left side of dash, near 100-way connector.
S331	Behind left side of dash, near 100-way connector.
S332	Near breakout to air bag control module.
S333	Behind left side of dash, near 100-way connector.
S335	Near left taillight connector.
S336	Near breakout to air bag control module.
S400	Near breakout to rear window defogger feed.
S401	Near breakout to rear window defogger feed.